One of the major difficulties in the biological control of insect pests is the :

practical difficulty of introducing the predator to specific areas

method is less effective as compared with the use of insecticides

predator does not always survive when transferred to a new environment

predator develops a preference to other diets and may itself become a pest

Solution

predator develops a preference to other diets and may itself become a pest

Biological control refers to the use of living organisms like natural predators and parasites to reduce pest population and control diseases. They play an important role in controlling the plant pests like nematodes weeds, insects and mites. It helps in maintaining and balancing the plant species along with their natural enemies.

However they may become pest as they can develop a preference to other diets.

Some More Questions From Microbes in Human Welfare Chapter

Name the organism which provides statins used to lower cholesterol levels .

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Microbes In Human Welfare

Some More Questions From Microbes in Human Welfare Chapter

Name the organism which provides statins used to lower cholesterol levels .

Name the first acid to be produced by fermentation.

How can a small amount of curd added to fresh milk convert it into curd ?

What is toddy ?

What are fermentors ?

What is primary sludge ?

What are flocs ?

What is relationship between BOD and organic matter in sewage ?

Name two gases produced during microbial treatment by sewage.

Which gas is produced by bacteria which grow anaerobically on cellulosic material

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